IETF Logo Mail Archive

Re: [v6ops] DNS AAAA for free

Erik Kline <ek@google.com> Sat, 09 April 2016 08:07 UTC

Return-Path: <ek@google.com>
X-Original-To: v6ops@ietfa.amsl.com
Delivered-To: v6ops@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3B7D812D10D for <v6ops@ietfa.amsl.com>; Sat, 9 Apr 2016 01:07:33 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.711
X-Spam-Level:
X-Spam-Status: No, score=-2.711 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=unavailable autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=google.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZeKHsbiGi6ah for <v6ops@ietfa.amsl.com>; Sat, 9 Apr 2016 01:07:31 -0700 (PDT)
Received: from mail-io0-x234.google.com (mail-io0-x234.google.com [IPv6:2607:f8b0:4001:c06::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C5BAA12D0C7 for <v6ops@ietf.org>; Sat, 9 Apr 2016 01:07:30 -0700 (PDT)
Received: by mail-io0-x234.google.com with SMTP id q128so156628431iof.3 for <v6ops@ietf.org>; Sat, 09 Apr 2016 01:07:30 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=q0zVp2+uZaoH/xwocJMAlvInGTgLLE6VLBYZtDq3qII=; b=P2Iznr9RZ8ZB5UF1qkQZA9ugproIoikCz+oRDTJw3kxWN4lMkb1exjs8n/b1/aZoZs gmv/ntFRx80jMj6NOPVdToywx1117YCdUiwz3bRJtoFlV9+gYDtiQRHtEDGSOKrBcazJ kMwWi35KW1nAgDfgzBYMUVrEy+VJEHDCfbAF8t142T12HmBl0aDzDrImCp6A1dLJFVLU SItz89ftJ5hWyxtlZB5GJQ/q4QE4y2LLFyAcH8DUWw21l6QqnYMy1VxoZiPMzDXd+jYF seRZRPkxbekVDVNk5sLURdk8K9Y1N6wj5/BliZFqATEy25ypEWZzd/8nkHqcnyq8VCWJ TIxQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=q0zVp2+uZaoH/xwocJMAlvInGTgLLE6VLBYZtDq3qII=; b=flrAgvojuiL7Be+ZG3uYQGQFpy266gHelu6h1+NhphIBGKPhyOR9e0ZhWlZ3zHE4Tq xX2/OVKg38g/m/WPAV2uQ8AuOLdCMCXFba8AZvA8cPr1ViZtBBtpLoVbvz87/f6u6J/+ qp0HWl7OqtTKyz6FGD97+u53Ty45DfCiXUm8GQsxB2EX6BEq6Nk2SvnC+mjYiYfgyTWc lFwDd5CJcmZzjfN6C5PuUl6Icw6X+JqbFf0J7HzIzIsWmRhYtmkKA42DLbyjlE4gmQa0 AYoWEOJZR+C+VifU6PHkF2114zJCd0+2TXOQnmIgHlMLv/a8nRL1I24FHhoQHM7Bc3RT 0vrQ==
X-Gm-Message-State: AD7BkJJXtRw9+4Zp0Wzqb0+SIJLJDzxnUoII0bc3C5koPscezQqPG5QT+EJ5Ck/vxUshRFreQCnRUkb8X5XwkpM7
X-Received: by 10.107.30.71 with SMTP id e68mr13819183ioe.145.1460189249918; Sat, 09 Apr 2016 01:07:29 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.64.227.84 with HTTP; Sat, 9 Apr 2016 01:07:10 -0700 (PDT)
In-Reply-To: <07119903-475A-4D7E-848D-3320C1AB546C@gguy.me>
References: <07DA627D-867F-45AD-BF43-400CB06458CC@employees.org> <07119903-475A-4D7E-848D-3320C1AB546C@gguy.me>
From: Erik Kline <ek@google.com>
Date: Sat, 09 Apr 2016 17:07:10 +0900
Message-ID: <CAAedzxrPG1HPCWqoaNRhzmzsTwAcfPR5aKWmg+VLveCncQtnnQ@mail.gmail.com>
To: Geordie Guy <geordie@gguy.me>
Content-Type: text/plain; charset="UTF-8"
Archived-At: <http://mailarchive.ietf.org/arch/msg/v6ops/VwDS_KISqBeJwZWwfyNbBmCVWa4>
Cc: 6man WG <ipv6@ietf.org>, v6ops list <v6ops@ietf.org>
Subject: Re: [v6ops] DNS AAAA for free
X-BeenThere: v6ops@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: v6ops discussion list <v6ops.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/v6ops>, <mailto:v6ops-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/v6ops/>
List-Post: <mailto:v6ops@ietf.org>
List-Help: <mailto:v6ops-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/v6ops>, <mailto:v6ops-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 09 Apr 2016 08:07:33 -0000

So far I fail to see the benefit.

Host that think they can do IPv6 generally ask for AAAAs first, or
nearly simultaneously with As if they're doing connection racing.  So
I don't see how this helps.

On 9 April 2016 at 16:55, Geordie Guy <geordie@gguy.me> wrote:
> This is genuinely awesome.
>
> Geordie
>
> Sent from my mobile. Please excuse any unusual brevity or typos while I'm on the go.
>
>> On 8 Apr 2016, at 9:27 PM, otroan@employees.org wrote:
>>
>> Here is an interesting draft being presented in dnsop today.
>> https://datatracker.ietf.org/doc/draft-vavrusa-dnsop-aaaa-for-free/?include_text=1
>>
>> The proposal is to allow AAAA records in response to A queries.
>>
>> Best regards,
>> Ole
>> --------------------------------------------------------------------
>> IETF IPv6 working group mailing list
>> ipv6@ietf.org
>> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
>> --------------------------------------------------------------------
>
> --------------------------------------------------------------------
> IETF IPv6 working group mailing list
> ipv6@ietf.org
> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
> --------------------------------------------------------------------

v2.23.0 | Report a Bug | By Email